Which expressions have the same product as 0.225 x 0.72 2.25 x 7.2. 225 x72/100,000 225x72 x 0.001 225x 72 x 1/100 x 1/100 255 thousandths x 72hundredths

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?